Home / 40,979.03-61,512.26-17,621.87

Finding the Fourth Proportional to 40,979.03, 61,512.26 and 17,621.87

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Solution

The fourth proportional to 40,979.03, 61,512.26 and 17,621.87 is: 26,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979.03 : 61,512.26 = 17,621.87 : x
  2. Step 2: Convert to fraction form
    40,979.03/61,512.26 = 17,621.87/x
  3. Step 3: Cross multiply
    40,979.03x = 61,512.26 × 17,621.87
  4. Step 4: Simplify right side
    40,979.03x = 1,083,960,653.46
  5. Step 5: Solve for x
    x = 1,083,960,653.46/40,979.03
  6. Step 6: Final answer
    x = 26,451.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.